94191641 has 2 divisors, whose sum is σ = 94191642. Its totient is φ = 94191640.

The previous prime is 94191631. The next prime is 94191649. The reversal of 94191641 is 14619149.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94167616 + 24025 = 9704^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 94191641 - 2¹⁸ = 93929497 is a prime.

It is not a weakly prime, because it can be changed into another prime (94191649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47095820 + 47095821.

It is an arithmetic number, because the mean of its divisors is an integer number (47095821).

Almost surely, 2^94191641 is an apocalyptic number.

It is an amenable number.

94191641 is a deficient number, since it is larger than the sum of its proper divisors (1).

94191641 is an equidigital number, since it uses as much as digits as its factorization.

94191641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 94191641 is about 9705.2378126453. The cubic root of 94191641 is about 454.9923776045.

The spelling of 94191641 in words is "ninety-four million, one hundred ninety-one thousand, six hundred forty-one".